Overview
The LTM8024EY#PBF is a dual 3.5A or single 7A step-down Silent Switcher µModule regulator produced by Analog Devices Inc. This device is designed to minimize EMI while delivering high efficiency at frequencies up to 3MHz. The Silent Switcher architecture integrates controllers, power switches, inductors, and support components into a compact package, making it suitable for a variety of applications. The regulator operates over a wide input voltage range of 3V to 40V and supports output voltages from 0.8V to 8V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3V to 40V | V |
| Output Voltage Range | 0.8V to 8V | V |
| Output Current per Channel | 3.5A (dual), 7A (single) | A |
| Switching Frequency Range | 200kHz to 3MHz | Hz |
| Package Type | 88-pin BGA | - |
| Package Dimensions | 9mm × 11.25mm × 3.32mm | mm |
| Operating Temperature Range | -40°C to 125°C | °C |
| Quiescent Current (RUN1 = 0) | 5μA (max) | A |
| Output RMS Ripple | 10mV (typical at 3.3VOUT, IOUT = 4A) | mV |
| Line Regulation | 0.2% (typical at 5.5V < VIN < 36V, IOUT = 1A) | % |
| Load Regulation | 0.4% (typical at 12VIN, 0.1A < IOUT < 4A) | % |
Key Features
- Silent Switcher architecture to minimize EMI and deliver high efficiency.
- CISPR22 Class B compliant for reduced electromagnetic interference.
- Multiphase parallel operation to increase output current.
- Selectable switching frequency from 200kHz to 3MHz set by a single resistor.
- Compact 88-pin BGA package suitable for automated assembly.
- Wide input and output voltage ranges: 3V to 40V input, 0.8V to 8V output.
- Low quiescent current of 5μA maximum when RUN1 = 0.
- High accuracy with line and load regulation of 0.2% and 0.4%, respectively.
Applications
- Automotive battery regulation.
- Power for portable products.
- Distributed supply regulation.
- Industrial supplies.
Q & A
- What is the input voltage range of the LTM8024?
The input voltage range of the LTM8024 is from 3V to 40V.
- What are the output current capabilities of the LTM8024?
The LTM8024 can provide dual 3.5A or single 7A output current.
- What is the switching frequency range of the LTM8024?
The switching frequency range of the LTM8024 is from 200kHz to 3MHz, set by a single resistor.
- Is the LTM8024 compliant with any EMI standards?
Yes, the LTM8024 is CISPR22 Class B compliant.
- What is the package type and dimensions of the LTM8024?
The LTM8024 comes in an 88-pin BGA package with dimensions of 9mm × 11.25mm × 3.32mm.
- What is the operating temperature range of the LTM8024?
The operating temperature range of the LTM8024 is from -40°C to 125°C.
- What is the quiescent current of the LTM8024 when RUN1 = 0?
The quiescent current is 5μA maximum when RUN1 = 0.
- What are some typical applications of the LTM8024?
The LTM8024 is used in automotive battery regulation, power for portable products, distributed supply regulation, and industrial supplies.
- Does the LTM8024 require additional components for operation?
Only the bulk input and output filter capacitors are needed to complete the design.
- Is the LTM8024 RoHS compliant?
Yes, the LTM8024 is RoHS compliant.
